feat: add initial TypeScript and ESLint configurations for library and React applications

- Created TypeScript configuration files for library and React applications.
- Added ESLint configurations for library, React, and Storybook.
- Implemented a basic Button component in the UI package.
- Set up Vite for the docs development environment.

packages/ui/src/components/button.tsx

@@ -0,0 +1,15 @@
+import { ReactNode } from 'react';
+
+export interface ButtonProps extends React.ButtonHTMLAttributes<HTMLButtonElement> {
+  children: React.ReactNode;
+}
+
+export function Button({ children, ...other }: ButtonProps): ReactNode {
+  return (
+    <button type="button" {...other}>
+      {children}
+    </button>
+  );
+}
+
+Button.displayName = 'Button';

packages/ui/src/components/index.ts

@@ -2,3 +2,4 @@ export * from './header';
 export * from './counter';
 export * from './date-example';
 export * from './encryption-demo';
+export * from './button';